Mesa (master): i965/fs: Disable unlit_centroid_workaround on Haswell.
Matt Turner
mattst88 at kemper.freedesktop.org
Mon Jul 7 01:36:37 UTC 2014
Module: Mesa
Branch: master
Commit: f6db414f3ca2d692f262e3f5a38d4fcedbdf4f4f
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f6db414f3ca2d692f262e3f5a38d4fcedbdf4f4f
Author: Matt Turner <mattst88 at gmail.com>
Date: Sat Jun 28 19:18:44 2014 -0700
i965/fs: Disable unlit_centroid_workaround on Haswell.
Although the HSW PRM shows it, the BSpec lists this workaround as being
for Ivybridge only.
total instructions in shared programs: 1994951 -> 1993675 (-0.06%)
instructions in affected programs: 27325 -> 26049 (-4.67%)
---
src/mesa/drivers/dri/i965/brw_device_info.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_device_info.c b/src/mesa/drivers/dri/i965/brw_device_info.c
index f28d754..18e4c80 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.c
+++ b/src/mesa/drivers/dri/i965/brw_device_info.c
@@ -110,11 +110,11 @@ static const struct brw_device_info brw_device_info_snb_gt2 = {
.must_use_separate_stencil = true, \
.has_llc = true, \
.has_pln = true, \
- .has_surface_tile_offset = true, \
- .needs_unlit_centroid_workaround = true
+ .has_surface_tile_offset = true
static const struct brw_device_info brw_device_info_ivb_gt1 = {
GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
+ .needs_unlit_centroid_workaround = true,
.max_vs_threads = 36,
.max_gs_threads = 36,
.max_wm_threads = 48,
@@ -128,6 +128,7 @@ static const struct brw_device_info brw_device_info_ivb_gt1 = {
static const struct brw_device_info brw_device_info_ivb_gt2 = {
GEN7_FEATURES, .is_ivybridge = true, .gt = 2,
+ .needs_unlit_centroid_workaround = true,
.max_vs_threads = 128,
.max_gs_threads = 128,
.max_wm_threads = 172,
@@ -141,6 +142,7 @@ static const struct brw_device_info brw_device_info_ivb_gt2 = {
static const struct brw_device_info brw_device_info_byt = {
GEN7_FEATURES, .is_baytrail = true, .gt = 1,
+ .needs_unlit_centroid_workaround = true,
.has_llc = false,
.max_vs_threads = 36,
.max_gs_threads = 36,
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